18ct gold, diamond and pink tourmaline 'Spiga' ring, Bulgari, modelled as a coiled snake the sprung ring is designed as a series of gaspipe links, the head collet-set with a heart-shaped pink tourmaline, the body accented at intervals with a line of brilliant-cut diamonds, the tail terminating in diamonds, size L, adjustable, signed Bulgari, Italian assay and maker's marks. Accompanied by a Bulgari box.